The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-653-7348, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-653-7348 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Inside Diameter | 59.00 MILLIMETERS NOMINAL MM |
| Head Height | 2.70 MILLIMETERS MINIMUM AND 3.00 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 28.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.8 |
| Thread Length | 9.00 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 5.00 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 9.00 MILLIMETERS NOMINAL MM |
| Width Between Flats | 7.85 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM |
| Grip Diameter | 4.965 MILLIMETERS MINIMUM AND 4.990 MILLIMETERS MAXIMUM MM |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 1100 MEGAPASCALS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | MJ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NA0045-050010 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-653-7348 is a Bolt,close Tolerance, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-653-7348: Head Inside Diameter: 59.00 MILLIMETERS NOMINAL MM; Head Height: 2.70 MILLIMETERS MINIMUM AND 3.00 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 28.0 MILLIMETERS NOMINAL MM. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.